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openair (version 0.5-18)

Tools for the analysis of air pollution data

Description

Tools to analyse, interpret and understand air pollution data. Data are typically hourly time series and both monitoring data and dispersion model output can be analysed. Many functions can also be applied to other data, including meteorological and traffic data.

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Version

Install

install.packages('openair')

Monthly Downloads

5,974

Version

0.5-18

License

GPL (>= 2)

Maintainer

David Carslaw

Last Published

February 9th, 2012

Functions in openair (0.5-18)

Taylor Diagram for model evaluation with conditioning

Tests for trends using Theil-Sen estimates

Calculate percentile values from a time series

Calculate summary statistics for air pollution data by year

conditionalQuantile

Conditional quantile estimates for model evaluation

Function to split data in different ways for conditioning

Generic data import for openair

Kernel density plot for daily mean exceedance statistics

Import pre-calculated HYSPLIT 96-hour back trajectories

SAQN data import for openair

Function to plot wind speed/direction frequencies and other statistics

Calculate common model evaluation statistics

Function to plot percentiles by wind direction

Function to extract run lengths greater than a threshold

Bivariate polar plot with smoothing

Import data from King's College London networks

AURN data import for openair

Calculate rollingMean values

Example data for openair

openair-package

Tools for the analysis of air pollution data

Plot time series

AURN csv file data import for openair

Function to calculate timeAverages for data frames

Subset a data frame based on date

Automatic text formatting for openair

Diurnal, day of the week and monthly variation

Estimate NO2/NOX emission ratios from monitoring data

ADMS data import function(s) for openair

Scale key handling for openair

corrgram plot with conditioning

Generic functions for handling openair outputs

Flexible scatter plots

Bivariate polarAnnulus plot

K-means clustering of bivariate polar plots

Import monitoring site meta data

Linear relations between pollutants

Plot time series values in convential calendar format

openair colours

Calculate smoothTrends

Function to rapidly provide an overview of air quality data

Divide up a data frame by time

Trajectory plots with conditioning

Traditional wind rose plot and pollution rose variation